See: Description
Class  Description 

Beta 
Beta distribution functions.

ChiSquare 
Chisquare distribution functions.

ErrorFunction 
Gaussian error function distribution functions.

FishersF 
Fisher's F distribution functions.

Gamma 
Gamma distribution functions.

Normal 
Normal distribution functions.

Sig 
Point probabilities and percentage points for statistical distributions.

Studentst 
Student's t distribution functions.

Methods for computing point probabilities and percentage points of common statistical distributions. The distributions include: